20346022160

素因数分解:

$2^4\times 5^1\times {\mathrm{254325277}}^1$

素因数の和:254325290

約数の個数: 20

約数和(自身を含む): 47304501708

約数和(自身を除く): 26958479548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254325277, 508650554, 1017301108, 1271626385, 2034602216, 2543252770, 4069204432, 5086505540, 10173011080, 20346022160]

約数ペア:

[(1, 20346022160), (2, 10173011080), (4, 5086505540), (5, 4069204432), (8, 2543252770), (10, 2034602216), (16, 1271626385), (20, 1017301108), (40, 508650554), (80, 254325277)]